---
- branch: MAIN
  date: Fri Dec  6 21:36:11 UTC 2019
  files:
  - new: '1.485'
    old: '1.484'
    path: src/sys/kern/kern_exec.c
    pathrev: src/sys/kern/kern_exec.c@1.485
    type: modified
  - new: '1.278'
    old: '1.277'
    path: src/sys/kern/kern_exit.c
    pathrev: src/sys/kern/kern_exit.c@1.278
    type: modified
  - new: '1.28'
    old: '1.27'
    path: src/sys/kern/kern_idle.c
    pathrev: src/sys/kern/kern_idle.c@1.28
    type: modified
  - new: '1.217'
    old: '1.216'
    path: src/sys/kern/kern_lwp.c
    pathrev: src/sys/kern/kern_lwp.c@1.217
    type: modified
  - new: '1.381'
    old: '1.380'
    path: src/sys/kern/kern_sig.c
    pathrev: src/sys/kern/kern_sig.c@1.381
    type: modified
  - new: '1.54'
    old: '1.53'
    path: src/sys/kern/kern_sleepq.c
    pathrev: src/sys/kern/kern_sleepq.c@1.54
    type: modified
  - new: '1.55'
    old: '1.54'
    path: src/sys/kern/kern_softint.c
    pathrev: src/sys/kern/kern_softint.c@1.55
    type: modified
  - new: '1.329'
    old: '1.328'
    path: src/sys/kern/kern_synch.c
    pathrev: src/sys/kern/kern_synch.c@1.329
    type: modified
  - new: '1.80'
    old: '1.79'
    path: src/sys/sys/sched.h
    pathrev: src/sys/sys/sched.h@1.80
    type: modified
  id: 20191206T213611Z.02d45b98dab2b8cb2839c52a56f24a92bb2e94ad
  log: |
    Make it possible to call mi_switch() and immediately switch to another CPU.
    This seems to take about 3us on my Intel system.  Two changes required:

    - Have the caller to mi_switch() be responsible for calling spc_lock().
    - Avoid using l->l_cpu in mi_switch().

    While here:

    - Add a couple of calls to membar_enter()
    - Have the idle LWP set itself to LSIDL, to match softint_thread().
    - Remove unused return value from mi_switch().
  module: src
  subject: 'CVS commit: src/sys'
  unixtime: '1575668171'
  user: ad